Grout cleaning tool



FIG. 1 is a front, left, top perspective view of a grout cleaning tool, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line portions show unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a grout cleaning tool, as shown and described. 